Gigabyte GA-P55A-UD7 Manual - Page 8

GA-P55A-UD7 Motherboard Block Diagram 2 PCI Express x8 2 PCI Express x8 LGA1156 CPU CPU CLK+/- (133 MHz) DDR3 2200/1333/1066/800 MHz Dual Channel Memory 1 PCI Express x16 1 PCI Express x16 x8 Switch PCIe CLK (100 MHz) x8 x16 x16 Switch NF200 PCI Express Bus 2 USB 3.0 1 PCI Express x1 NEC x1 x1 PCIe CLK (100 MHz) PEX8608 Bridge x1 x4 PCI Express Bus Marvell 9128 2 SATA 6Gb/s PCI Bus TSB43AB23 3 IEEE 1394a DMI Interface LAN1 LAN2 2 SATA 3Gb/s RJ45 ATA-133/100/66/33 RJ45 GIGABYTE IDE Channel RTL8111D RTL8111D SATA2 Intel® P55 x1 x1 x1 PCIe CLK (100 MHz) PCI Express Bus x1 Dual BIOS JMicron JMB362 6 SATA 3Gb/s 2 SATA 3Gb/s 14 USB 2.0/1.1 (Note) CODEC LPC Bus IT8720 Floppy COM Port PS/2 KB/Mouse Surround Speaker Out Center/Subwoofer Speaker Out Side Speaker Out MIC Line Out Line In S/PDIF In S/PDIF Out 2 PCI PCI CLK (33 MHz) (Note) Two share the same ports with USB 3.0 and another two with eSATA. - 8 -